http://hl7.org/fhir/StructureDefinition/artifact-uriReference|5.2.0

Create a reference, following canonical reference semantics, to an artifact that uses the artifact-url and artifact-version extensions to provide a canonical identifier.
NameFlagsCardTypeDescription & Constraints
Extension
?..?The artifact
 
extension
?..0
 
url
?..?
 
value[x] *
1..?
 
 
valueUri *
1..?uri